A magnitude ML 1.3 earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 44.1850, 8.5380 at 9 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Noli | SV | 10 | 2736 | 2736 |
Bergeggi | SV | 10 | 1129 | 3865 |
Spotorno | SV | 11 | 3803 | 7668 |
Vado Ligure | SV | 12 | 8336 | 16004 |
Savona | SV | 14 | 61345 | 77349 |
Vezzi Portio | SV | 15 | 809 | 78158 |
Finale Ligure | SV | 16 | 11711 | 89869 |
Quiliano | SV | 16 | 7232 | 97101 |
Albissola Marina | SV | 16 | 5487 | 102588 |
Orco Feglino | SV | 17 | 890 | 103478 |
Albisola Superiore | SV | 17 | 10163 | 113641 |
Celle Ligure | SV | 18 | 5237 | 118878 |
Borgio Verezzi | SV | 19 | 2205 | 121083 |
Calice Ligure | SV | 20 | 1730 | 122813 |
Varazze | SV | 20 | 13251 | 136064 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2021-04-25 21:36:23 |
44.1853 | 8.5385 | 9 | 2021-07-12 16:55:10 |
Bollettino Sismico Italiano INGV | 90007741 |
Reviewed Rev100 |
ML 1.3 | 2021-04-25 21:36:23 |
44.1862 | 8.5423 | 8 | 2021-04-25 22:08:56 |
Sala Sismica INGV-Roma | 89475311 |
Field | Value |
---|---|
Time (UTC) | 2021-04-25 21:36:23 ± 0.17 |
Latitude | 44.1853 ± 0.0090 |
Longitude | 8.5385 ± 0.0075 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90007741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 916 |
Semi-minor axis of confidence ellipse (meter) | 397 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 339 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 920.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 28 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.19605 |
Epicentral distance of station farthest from the epicenter (degree) | 1.15743 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 89475311 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-25 22:08:56 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 90007741 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-12 02:13:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.BHB.HHZ. | 2021-04-25T21:37:00.54 | 0.3 | undecidable | manual | S | 306 | 123.987 | 50 | 0.58 | 54 |
GU.STV.HHE. | 2021-04-25T21:36:53.07 | 0.3 | undecidable | manual | S | 274 | 96.6255 | 50 | 0.43 | 60 |
GU.ENR.HHZ. | 2021-04-25T21:36:51.25 | 0.3 | undecidable | manual | S | 274 | 89.244 | 50 | 0.58 | 58 |
GU.BURY.HHE. | 2021-04-25T21:36:51.12 | 0.3 | undecidable | manual | S | 241 | 90.243 | 50 | 0.19 | 64 |
FR.SAOF.HHE.00 | 2021-04-25T21:36:48.77 | 0.3 | undecidable | manual | S | 255 | 81.5517 | 50 | 0.15 | 66 |
GU.EQUI.HHE. | 2021-04-25T21:36:45.63 | 0.3 | undecidable | manual | P | 90 | 128.4714 | 50 | 0.24 | 59 |
GU.BHB.HHZ. | 2021-04-25T21:36:45.20 | 0.3 | undecidable | manual | P | 306 | 123.987 | 50 | 0.49 | 56 |
GU.IMI.HHZ. | 2021-04-25T21:36:42.14 | 0.3 | undecidable | manual | S | 240 | 59.7957 | 50 | -0.67 | 60 |
IV.PLMA.HHE. | 2021-04-25T21:36:41.77 | 0.3 | undecidable | manual | P | 98 | 105.8163 | 50 | -0.13 | 63 |
GU.GBOS.HHZ. | 2021-04-25T21:36:41.01 | 0.6 | undecidable | manual | S | 277 | 55.8996 | 50 | -0.76 | 39 |
GU.STV.HHE. | 2021-04-25T21:36:40.38 | 0.3 | undecidable | manual | P | 274 | 96.6255 | 50 | -0.1 | 65 |
GU.BURY.HHE. | 2021-04-25T21:36:40.09 | 0.3 | undecidable | manual | P | 241 | 90.243 | 50 | 0.6 | 58 |
GU.ENR.HHZ. | 2021-04-25T21:36:39.84 | 0.3 | undecidable | manual | P | 274 | 89.244 | 50 | 0.5 | 60 |
FR.SAOF.HHE.00 | 2021-04-25T21:36:38.63 | 0.3 | undecidable | manual | P | 255 | 81.5517 | 50 | 0.46 | 62 |
GU.RNCA.HHE. | 2021-04-25T21:36:38.72 | 0.6 | undecidable | manual | S | 46 | 45.621 | 50 | -0.3 | 46 |
IV.MSSA.HHZ. | 2021-04-25T21:36:38.01 | 0.3 | undecidable | manual | P | 79 | 79.1652 | 50 | 0.22 | 65 |
GU.GORR.HHE. | 2021-04-25T21:36:37.83 | 0.3 | undecidable | manual | P | 52 | 75.8685 | 50 | 0.54 | 61 |
GU.PCP.HHE. | 2021-04-25T21:36:36.92 | 0.3 | undecidable | manual | S | 1 | 39.5271 | 50 | -0.47 | 67 |
GU.RORO.HHE. | 2021-04-25T21:36:35.92 | 0.6 | undecidable | manual | S | 258 | 38.4282 | 50 | -1.18 | 33 |
GU.GBOS.HHZ. | 2021-04-25T21:36:34.16 | 0.1 | undecidable | manual | P | 277 | 55.8996 | 50 | -0.05 | 94 |
GU.IMI.HHZ. | 2021-04-25T21:36:34.59 | 0.1 | undecidable | manual | P | 240 | 59.7957 | 50 | -0.22 | 90 |
GU.CANO.HHZ. | 2021-04-25T21:36:32.46 | 0.3 | undecidable | manual | S | 276 | 24.0537 | 110 | -0.32 | 71 |
GU.RNCA.HHE. | 2021-04-25T21:36:32.13 | 0.3 | undecidable | manual | P | 46 | 45.621 | 50 | -0.49 | 66 |
GU.RORO.HHE. | 2021-04-25T21:36:31.02 | 0.1 | undecidable | manual | P | 258 | 38.4282 | 50 | -0.49 | 89 |
IV.QLNO.HHZ. | 2021-04-25T21:36:31.98 | 0.6 | undecidable | manual | S | 315 | 21.7671 | 112 | -0.04 | 50 |
GU.PCP.HHE. | 2021-04-25T21:36:31.44 | 0.3 | undecidable | manual | P | 1 | 39.5271 | 50 | -0.24 | 70 |
GU.CANO.HHZ. | 2021-04-25T21:36:28.98 | 0.1 | undecidable | manual | P | 276 | 24.0537 | 110 | -0.04 | 100 |
IV.QLNO.HHZ. | 2021-04-25T21:36:28.74 | 0.1 | undecidable | manual | P | 315 | 21.7671 | 112 | 0.17 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHN. | ML:1.5 | 0.00018099999999999998 | 0.24 | AML | other | m | 2021-04-25T21:36:32.99 |
GU.CANO.HHE. | ML:1.3 | 0.0001185 | 0.44 | AML | other | m | 2021-04-25T21:36:33.54 |
GU.GBOS.HHE. | ML:1.1 | 0.000031100000000000004 | 0.5 | AML | other | m | 2021-04-25T21:36:42.93 |
GU.GBOS.HHN. | ML:1.1 | 0.00003135 | 0.54 | AML | other | m | 2021-04-25T21:36:42.49 |
GU.IMI.HHN. | ML:1.2 | 0.00003705 | 0.52 | AML | other | m | 2021-04-25T21:36:45.69 |
GU.IMI.HHE. | ML:1.2 | 0.0000305 | 0.16 | AML | other | m | 2021-04-25T21:36:45.75 |
GU.ENR.HHE. | ML:1.3 | 0.000025849999999999998 | 0.5 | AML | other | m | 2021-04-25T21:36:51.32 |
GU.ENR.HHN. | ML:1.5 | 0.000042300000000000005 | 0.64 | AML | other | m | 2021-04-25T21:36:52.68 |